Pump



Nov. 3, 1931. E. R-UISH PUMP Filed Sept. 4, 1926 Plq. 2

VIIIIIIIIIAIII-II I IN VEN TOR.

ATTORNEYS,

Q Patente d 'Nov 3; 1931 [LE aims; or mnmmmemmm; a

4 iThis'inyention relates to a visible dispensing device such as a dispensing pump mecha- "[One chief object of this inventionis to oprovide means in'or on a Visible pump which .1 [will permit more accurate reading of the ca- Y 'pacityj-thereof than heretofore possible; jAnother object of the invention is toIcon- 'st'r'uct a pump of but a few parts and these '10 sofjarranged that the pump is adapted to either discharge {for dispensing purposes, or

. 7 i impartingandreturning purposes but not both' at the'sametimefl {One feature of the invention'consists m 15 the provision of means whereby the afore sai'di diflerential action isfobtainable and it 'isfimpossible todispen'se any ofthe liquid in the dispenser Whenthe same is locked; I {-*"The full nature of theiinvention willfbe Z understoodfroin the accompanying drawings and the followingdes'criptionand elaim z" I *Inthe drawingsFig. 1 isan BlGVfLt-lOIIELl View ofa pum Fig. 2 isan enlarged verti-' cal sectional View ofthedispensing'and controlling mechani sinf'including the measuring *reservoirfi Fig. "3 is a transverse. sectional View taken on line of Fig. 2 and in; the -directionlofthe arrows." LFig. 4 is a section I through theswivel joint in the wire conduit.

g 30 In the drawings indicates a pump standard which 'is preferably tubular in ,character I iterminates in a base ll pivotally" "supporting a 'c ontrolf valv'e 12 havingfa rock .fshafti13extending'into thesame. Extendv ingoqtwmuy fromthe base lflandfdischarge.

"I ltermin'ating"ina filling hose 2 15' with a filling'nozzle'16""The"tubular standard I0 is ed by the base 11 or other equivalent means,

is asupply conduit 21 which pivotally and slidably supports a cover 22', said cover sup- 7 the wires 24 which also supplyenergy to the p lighting unit '25 supported by the bracket 26. Unit 25"illumin ates the I dispensing bowl scene the mechanism therein. T he cover 22 v thro'ughshaft 19 is adapted toactuate the p usual pump mechanism for pumpingliquid 1 "from thevre'servoir into the dispensing bowl 20 carried by thebase. Stationarily mount porting an illumination unit 23 supplied by.

rtnirnifi j I Annamaria;seme ter 4, ;1S f 6. fsei-iai lga- 33,619. j

is 27 and said cover also includes an elbow connection28which has a=pivotally and axially slidable connection withconduit 21=Iwhereby said conduit 2l serves as a pivotal I support for the cover 28. Thus, the cover may be elevated slightly so asto remove recess 29 fro'm'the supportingplateBO and after thefhead has been elevated sulii ciently for thisi'emoval or unseating, the head is-turn- M edangularly for exposing the bolts 31 carried by rods 32 which clampingly associate the *base 111 with the head 30.- Herein" the head plate or top 30 is. shownprovided withan annular j flange which; "peripherally en'- n closes-the uppen'en'd ofthe tubular reservoir '65 2Q, while the lower end isjreceivable by the "annular recess 34 formed'in the upper part of thebase 11; "The upper part of the'ehamber thus-formed is closed by aooverplate 35, ac-

cess to all of the foregoing being had by 16 elevating'and tilting laterally the head 'or .elosure22-for exposing the several parts. In t order to' protect all of the foregoing suitable guard means theform of wire mesh 36 may be supplied, 'Aswivel "joint 9 is included'in conduit 21. a I j p Extending upwardly from the'pump and being positioned beneath" the reservoir 20 there a supply pipe 37 which 'c'ommunieates with-the pump'discharge and said supplyjpipe 37 iscentraHy positioned and ex.-

tends upwardly andjtermina'tesin a valve headfissi including a valve port39 normally closed-by'ayalve w seatableby gravity and F I opened bythe'ip'ressl lre of the liquid supplied} fromthell'ine 37 when' thepump is actuated; 1

' The Valve head 38 discharges into a combination deflector and outlet; 41 having the -deflecting head or skirt 42 and the outlet 43.] I

ing shaft 13: either to the right or to the left;

carriesea cross bar 50,' eachencl of'which is "portion and a. pin 152,1 said socket I being body being indicated; at '53 ahd the steni' being extended as} $154,. and associatedz'therev. with is a: seating? "spring r i A removable I valve and e the? same; includes the. discharge 53;is'opened,andcommunication is had' with Thus, all of thejliquidtrapped in the dispensing tank ;;will be returned to the reservoir-for. furthefuse. {The other endpofthe j 1 cross-L bargfil supports a 1 similar. valve ,con-

'struction; and said valveziarran'gement prolingchamber opened byactuating handle a'121to tilt shaft: 13 clockwise, the drain ing chamber 46 is cut oif'from thev measuring reservoir or tank 20 Whilejthe latter is 'in'free communication-With the dispensing chamber verselytilted none of the liquidinthe'meas chamber 2Q @vv'ill be; dispensedL-but-the I selne villflbe dischargeddor; returned to the- &5 -Toinsure lccurate zreading asuitablegage a; p 'lnpletely ircle'sg isanjfie so hat the sc e readingz j'svisible, from alli sides f the {a iaad lft ing' :66 andsaid"spring ring is seatable v.f intheiahnulargroovefifi formedatthe-proper I llevelin thepverfiow pipe 1his1indicates'a "r2,trapped-betweenthe inouth of the verflovv V i noefor Zerjo level and said a eomtpv v.1. .7 t 4 t9,v t. .c

reservoir connectedto the pumpqWhen'it is desired to fill. the ta i k or reservoir 20,1;he; g puinp mechanisrn is actuated and the liquid is discharged into'said'tank until such time; as the same overfloiv'sinto tube 45 and is re-;' fturn'e'd? tothe; reservoir through chamber 46 and line 41.. ,When this condition occurs the operator ceasesj toyrnanipulate-the pump and .fn' gages the control valve handle 12*for. rock;

' Shaft" 13 Within thereservoir and ha&'20--' 'terinine thecapaeity to be dispensed and de e gage. A s? theiliquid level lowers the first m n i n d im g pproaches lit e t image solt a as.these n eryi ea e's u l yia sunies a smaller radius, the gage being eircu forrn'ed jas'a vpart of a valvef steing the valve seatformingfmernberhfi is engageablei byth'e v the gdraini11greservoir. '46 and eonduitgllg. g g V i V e valves, will rema n seated whenthevalve cone -'i trol 1s in neutral poslt onandiaa i ositive L ,1videsLcoinmunicationt between the? dispensing p nslng a smaller quantity thanthe a it chamber BO-iandi-the nieasuring tank 20, the g former" communic a ting,"directlyv with, outlet 14 and discharge line 115.v 'It' will; be apparr ent, therefore, that when. the valve control- --60. Conversely, when the rock shaftisreage lines, hich- ;are each rig'idly mounti the loverflovvgiube for; convenience, and

1 ninating device carried: bvithejcovelj an" 1p .rlght tube memb i d 7115 bowl and "having: a slid able: and; (and simultaneouSly q Inthe uppercpor V g g. 2 one-form ofzleveljiindicatoris; show vhilef in "the lower" portion of T J the sau figure; another, f rm is illustrated. ;L .The' fl-firstj'iorni; consistslojfa springring having Iparted and secured together "the clamping me'chanism 7O. Y

'lniviewing the gageniarkslinorder todeterhiine' the timeor instant thatthe handle. 12 1 should be shifted'froni one' position to the other or into neutralposition asshown in Fig 11;", the level?- of thefliqiiidi is compared Yvvith the particular or selected gage indicator. It has been found thatpin viewing the: latter through the liquid before the level has descended to the same, there is a secondary "image formed on the lever of the'liquid and g ofsaid gage; as Well as the true image of said lar; it;approaches the real'zobjeet orfimage and when the two coincide the true level is obtained. :Inorder to ermithandlelQ tobe neutrally positioned- 'arelatively .loosegcory nection is provided foix the 'tvv'o similarbut differentially operable valves so ithatliboth we n ove nentfinf either direction will open the respective valve controldesiredtoghe actuate-d. This provision islniades othatinidis- V the mh 1rk 0 he rem nd n vi t necessarily be discharged;- to reservoir,

but may be; held therein until ianothenoils tolner I pmaghe'e q I; The tank j is. thereupon filled; to the "overflow level] and. the :desired 9 quantity dispensed from the Itahli. :The dee i vice is thus solarran gedl that when thehandle is positioned so" that the differential Q valve controlling the communication between the dispensing tank] 201 and the overfiovv or dis- 1 charge chamber 4:6 is "open, "said handle can be lo cked and this; thusfassures that there will be no li quid h'eld in the'dispensing tank,

stl r Wil -su p y Ina, dispensing 'deviee5Qthe c'ombinatihn with a visible bowl, acovelr'thei efong an xt ndfTgi s'ide:

ne'ction- Yvvith the cover. and-Ea conductor housed said member andaconnecting Sfllfl, illum nating device 'iyvith a- .s'ourcet of a l e rmysignature -w r s 

